So I'm a ham and I usually just use the NanoVNA for analyzing "1 port networks" otherwise known as antennas. But I do try to learn other stuff, and I ran into something that doesn't make sense to me.
I thought that REAL and IMAG would be the same as resistance and reactance, but it seems like they're the sin/cos of the phase angle or something? Which step in the math are these values?
Also I'm just curious as to what PHASE is useful for. I'm guessing it's probably most useful for a DUT that is an amplifier or filter. (More stuff that I have yet to learn much about.)
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KV0A - Robert